For example, a 20-by-15-foot room would require a small, 6,000-BTU air conditioner. Window air conditioners are no different from other appliances regarding programming and controls. Controls ...

Until recently, those of us without central air had ... all window air conditioners sold in the U.S. starting in 2026 to achieve a CEER score of at least 12.8 for a 6,000 BTU unit (more powerful ...